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What is the purpose of “android.intent.category.DEFAULT”?
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Categories are used for implicit Intents. So, If your Activity can be started by an implicit Intent when no other specific category is assigned to activity, activity's Intent filter should include this category. (even if you have other categories in the I...
Java LinkedHashMap get first or last entry
I have used LinkedHashMap because it is important the order in which keys entered in the map.
14 Answers
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Why can tuples contain mutable items?
If a tuple is immutable then why can it contain mutable items?
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JavaScript closures vs. anonymous functions
...osure in JS and what isn't. We just want to make sure we really understand it correctly.
12 Answers
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Most Useful Attributes [closed]
...{
public string FirstName;
public string LastName;
}
This is how it should look in the debugger:
Also, it is worth mentioning that [WebMethod] attribute with CacheDuration property set can avoid unnecessary execution of the web service method.
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Programmatic equivalent of default(Type)
...'s properties and set certain types to their default. Now, I could do a switch on the type and set the default(Type) explicitly, but I'd rather do it in one line. Is there a programmatic equivalent of default?
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Determine installed PowerShell version
...rmine what version of PowerShell is installed on a computer, and indeed if it is installed at all?
19 Answers
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SQL Server - Return value after INSERT
...the key-value back after an INSERT-statement.
Example:
I've got a table with the attributes name and id. id is a generated value.
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Difference between SPI and API?
... is part of the SPI: If you simply want to use JDBC, you don't need to use it directly, but everyone who implements a JDBC driver must implement that class.
Sometimes they overlap, however. The Connection interface is both SPI and API: You use it routinely when you use a JDBC driver and it needs to...
Understanding Fragment's setRetainInstance(boolean)
Starting with the documentation:
5 Answers
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